FR67184E - Improvements to dry straighteners - Google Patents
Improvements to dry straightenersInfo
- Publication number
- FR67184E FR67184E FR67184DA FR67184E FR 67184 E FR67184 E FR 67184E FR 67184D A FR67184D A FR 67184DA FR 67184 E FR67184 E FR 67184E
- Authority
- FR
- France
- Prior art keywords
- straighteners
- dry
- dry straighteners
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
- H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
- H01L21/145—Ageing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
- H01L21/12—Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to the foundation plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
- H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Gerontology & Geriatric Medicine (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3121649A GB683817A (en) | 1949-12-05 | 1949-12-05 | Improvements in or relating to dry contact rectifiers |
GB25094/51A GB702620A (en) | 1951-10-26 | 1951-10-26 | Improvements in or relating to dry contact rectifiers |
DES35730A DE975679C (en) | 1953-10-02 | 1953-10-02 | Process for the manufacture of selenium rectifiers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR67184E true FR67184E (en) | 1957-11-25 |
Family
ID=27212568
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR66848D Expired FR66848E (en) | 1949-12-05 | 1954-10-01 | Improvements to dry straighteners |
FR67184D Expired FR67184E (en) | 1949-12-05 | 1954-10-08 | Improvements to dry straighteners |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR66848D Expired FR66848E (en) | 1949-12-05 | 1954-10-01 | Improvements to dry straighteners |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR66848E (en) |
-
1954
- 1954-10-01 FR FR66848D patent/FR66848E/en not_active Expired
- 1954-10-08 FR FR67184D patent/FR67184E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR66848E (en) | 1957-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1027426A (en) | Improvements to recorder-translators | |
FR990851A (en) | Improvements to rotary dryers | |
FR1027801A (en) | Improvements to turbo-reactors | |
FR1029118A (en) | Improvements to dry straighteners | |
FR989446A (en) | Curler | |
FR1048973A (en) | Curler | |
FR986200A (en) | Improvements to chambermaids | |
FR1024214A (en) | Improvements to toys | |
FR1029221A (en) | Cosmetics | |
FR63419E (en) | Improvements to dry straighteners | |
FR66848E (en) | Improvements to dry straighteners | |
FR1007774A (en) | Curler | |
FR1000796A (en) | Improvements to spray dryers | |
FR926533A (en) | Improvements to dry straighteners | |
FR1018375A (en) | Improvements relating to dicarboxyphenylsilanes | |
FR993469A (en) | Improvements to cosmetic cases | |
FR988142A (en) | Curler | |
FR987778A (en) | Improvements to shirts | |
FR1004748A (en) | Improvements to shoes | |
AT167863B (en) | lipstick | |
FR974929A (en) | Curler | |
FR998804A (en) | Curler | |
FR1019702A (en) | Improvements to thermostats | |
FR1028298A (en) | Improvements to sprayers | |
FR982625A (en) | Improvements to spray dryers |